MCQ

MCQ 11 Mark

The partial pressure of $O _2$ in inspired and expired air is

A
$40$ and $95$ mm $Hg$
B
$100$ and $95$ mm $Hg$
C
$158$ and $40$ mm $Hg$
✓
$158 $and $116$ mm $Hg$

Answer

Correct option: D.

$158 $and $116$ mm $Hg$

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MCQ 21 Mark

Vital capacity of lungs in an average man is

A
$500-1000 m$
B
$1500-1800 ml$
C
$2000-2500 ml$
✓
$3000-4500 ml$

Answer

Correct option: D.

$3000-4500 ml$

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MCQ 31 Mark

During respiration, the diaphragm

A
relaxed to become dome-shaped
B
Contracts and flattened
C
expands
✓
shows no change

Answer

Correct option: D.

shows no change

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MCQ 41 Mark

Larynx acids as

A
soundbox
B
value of controlling air
C
organ producing sound
✓
all the above

Answer

Correct option: D.

all the above

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MCQ 51 Mark

Sites of gaseous exchange in the lung are

A
tracheoles
✓
alveoli
C
bronchiole
D
pulmonary chamber

Answer

Correct option: B.

alveoli

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MCQ 61 Mark

Covering of lung is called

A
perichondrium
✓
pleural membrane
C
pericardium
D
peritoneum

Answer

Correct option: B.

pleural membrane

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MCQ 71 Mark

Net gain of complete cellular respiration of carbohydrate ______.

A
2 ATP
B
34 ATP
✓
38 ATP

Answer

Correct option: C.

38 ATP

Net gain of complete cellular respiration of carbohydrate 38 ATP

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MCQ 81 Mark

R.Q. for fat is ______.

A
0.6
✓
0.7
C
0.8

Answer

Correct option: B.

0.7

R.Q. for fat is 0.70

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MCQ 91 Mark

Tidal volume is ______.

A
1200 cc
✓
500 cc
C
5000 cc

Answer

Correct option: B.

500 cc

Tidal volume is 500 cc

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MCQ 101 Mark

Normal breathing is termed as ______.

✓
eupnea
B
apnea
C
Dyspnea

Answer

Correct option: A.

eupnea

Normal breathing is termed as Eupnea

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MCQ 111 Mark

The protective covering of the lung ______.

A
pericardium
✓
pleura
C
renal fat

Answer

Correct option: B.

pleura

The protective covering of the lung pleura

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BIOLOGY MCQ

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